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18 March, 13:24

A block of aluminum is dropped into a graduated cylinder with an initial volume of water at 75mL and the volumes rises to 90mL. If the block has a mass of 40.5 g what is its density?

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  1. 18 March, 14:12
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    =2.7 g/cm³

    =2700 kg/m³

    Explanation:

    Density is a ratio of the mass of an object to its volume.

    The volume of the named block of aluminium is calculated as follows:

    90mL - 75mL = 15mL

    15mL = 15 cm³

    The mass = 40.5 g

    Therefore ρ=m/v

    =40.5g/15cm³

    =2.7 g/cm³

    =2700 kg/m³
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